40273220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{154897}}^1$

素因数の和:154919

約数の個数: 24

約数和(自身を含む): 91080024

約数和(自身を除く): 50806804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 154897, 309794, 619588, 774485, 1548970, 2013661, 3097940, 4027322, 8054644, 10068305, 20136610, 40273220]

約数ペア:

[(1, 40273220), (2, 20136610), (4, 10068305), (5, 8054644), (10, 4027322), (13, 3097940), (20, 2013661), (26, 1548970), (52, 774485), (65, 619588), (130, 309794), (260, 154897)]